1,1

Table of n, a(n) for n=1..12.

1345431 = 3 * 17 * 23 * 31 * 37 -> Sum of factors is palindrome 111 -> 1345431 / 111 = 12121 and quotient is also palindromic.

Cf. A046358, A046361.

Sequence in context: A124119 A090096 A218484 * A144122 A058424 A204041

Adjacent sequences: A046359 A046360 A046361 * A046363 A046364 A046365

nonn,more,base

Patrick De Geest, Jun 15 1998.

Edited name and a(5)-a(12) from Donovan Johnson, Oct 11 2011

approved